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To view specimen requirements and codes please select your laboratory:

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THYROID PROFILE 2

Test Code

1446F

CPT Code(s)

84436
84479
84480

Includes

T4,TOTAL; T3,TOTAL; T UPTAKE

Preferred Specimen(s)

Preferred Specimen Volume: 3 ml
Specimen Type SERUM
Specimen State Refrigerated (cold packs)

Minimum Volume

2 ml

Transport Container

Serum Separator

Performing Laboratory

90-PROFILES

Setup Days

M,T,W,Th,F

Report Available

1 DAY

Clinical Significance

INCLUDES:

T Uptake
Thyroxine T4
T 7 (Free Thyroxine Index)
T 3 Total

LOINC®' Code(s)

The Result and LOINC information listed below should not be used for electronic interface maintenance with Quest Diagnostics. Please contact the Quest Diagnostics Connectivity Help Desk for more information at 800-697-9302.

NOTE: The codes listed in the table below are not orderable Test Codes.

Result
Code
Result NameLOINC CodeComponent Name
Z3010T4,TOTAL3026-2Thyroxine
Z3013T3,TOTAL3053-6Triiodothyronine
Z3009T UPTAKE3050-2Triiodothyronine resin uptake (T3RU)

Reference ranges are provided as general guidance only. To interpret test results use the reference range in the laboratory report.

The CPT codes provided are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payer being billed.

LOINC assignment is based on a combination of test attributes, including the method used by the performing laboratory. For tests not performed by Quest Diagnostics, codes are assigned by the performing laboratory.

* The tests listed by specialist are a select group of tests offered. For a complete list of Quest Diagnostics tests, please refer to our Directory of Services.